Programmatic and reproducible use of volumeViewer app

Is there a way to visualize a volumetric image in a controlled way? The volumeViewer app gives the quality of visualization I want but I need to be able to reproduce figures with the same viewing angle and alpha map. Is there a way to produce the same volumetric image in a normal figure window so I can use view, xlabel, grid, etc.? I also need to be able to export these visualizations.

Answer 1

[Divyajyoti Nayak]

Hi @Kevin Mallery,

From MATLAB R2022b onwards, the 'viewer3d' command can be used to create a viewer object in a new figure window to visualize 3d images. The properties of the viewer object, such as orientation, camera position, background color, etc. can be modified using dot notation.

viewer = viewer3d(BackgroundColor="white", GradientColor=[0.5 0.5 0.5],Lighting="on");

viewer.CameraPosition = [120 120 200];
viewer.CameraTarget = [120 120 -10];
viewer.CameraUpVector = [0 1 0];
viewer.CameraZoom = 1.5;

Here's some documentation to help you out:

'viewer3d': https://www.mathworks.com/help/images/ref/viewer3d.html

'viewer' properties: https://www.mathworks.com/help/images/ref/images.ui.graphics.viewer-properties.html

[Les Beckham]

Hi @Divyajyoti Nayak

Your answer would likely be more useful if you fix the typo to clarify what version you are referring to here:

"From MATLAB R202b onwards"

^?

[Divyajyoti Nayak]

Hi @Les Beckham, thanks for pointing it out.I've fixed the typo.